446 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Page 
Library of Congress, Reclassification 
of science-section in. J. D. 
Thompson . 399 
Lick Observatory. W. J. Hussey.... 371 
Lindenkohl, Adolph, Obituary notice 
of, by H. G. Ogden. 296 
Linear differential equations. F. G. 
Radelfinger . 21 
Liquid air. G. A. Bobrick.. 394 
Littlehales, G. W. : Displacement of 
moored objects by ocean currents 360 
— Locus of geographical position and 
the compass-error. 233, 415 
— Marine screw propulsion. 358 
— Measurement of gravity.... 135 
— Memorial address on W. T. Samp¬ 
son . 415 
— Obituary notice of W. T. Sampson 308 
-David Smith . 315 
— Survey for submarine cable from 
California to Philippine Islands. 356 
Locomotive, “Stourbridge Lion.” Mr. 
Lord . 372 
Logarithm of a number, Computing. 
A. Martin .. 359 
Longitude of Honolulu. J. F. Hay- 
ford . 416 
— by wireless telegraphy. D. B. 
Wainwright . 387 
Lord, Mr. : Locomotive “Stourbridge 
Lion” . 372 
Lucas, F. A.: Palaeontology.. 412 
Macfarlane, A. : Square root of minus 
one .. . 356 
— Vector-differentiation . 357 
Magnetism, Terrestrial. L. A. Bauer... 356 
Magnetism, Earth’s permanent, and 
its secular variation. L. A. 
Bauer . 418 
Magnetic activity, Remarkable. L. A. 
Bauer . 397 
— declination, Secular variation of. 
D. L. Hazard. 391 
— field on plane-polarized light, Effect 
of a. F. J. Bates. 425 
— forces causing secular variation of 
earth’s magnetism. L. A. Bauer. 431 
— survey of North Carolina. J. B. 
Baylor . 372 
-the United States, Plan of. 
L. A. Bauer.. 356 
Magnetograph records showing slight 
earthquake shocks. L. A. 
Bauer .. . 427, 428 
Malaria. A. F. A. King.. 401 
— Geo. M. Sternberg .. 362 
Manley, C. M. : Aeronautics. 425 
Mann, B. P. : A social problem. 361 
Page 
Manson, M. : Evolution of climate.. 432 
Marine propulsion, History of. J. E. 
Watkins . 358 
Marine screw propulsion. G. W. Lit¬ 
tlehales ... 358 
Marindin, H. L.: Memorial address on 
Henry Mitchell . 415 
Martin, A. : Computing the logarithm 
of a number.. 359 
— Rational plane triangles.. 373 
Marvin, C. F. : Anemometer-compari¬ 
sons and ball-bearings. 392 
— Baldwin computing machine. 412 
— Earthquake on March 15, 1903... 413 
— Physical instruments . 101 
— The seismograph.. 410 
Mathematics. F. G. Radelfinger. 157, 371 
— Astronomy and, at Congress of Arts . 
and Sciences. J. G. Hagen. 431 
— in meteorology. F. H. Bigelow 215, 408 
— International Bibliography of. 
J. H. Gore . 413 
— to meteorology, Applications of. 
F. H. Bigelow. 408 
Mathematical Science, Report of Com¬ 
mittee on.1, 139, 205, 408 
Measurement of extreme temperatures. 
A. L. Day . 417 
-gravity. F. H. Bigelow. 353 
-high temperature. A. L. 
Day . 389, 390 
-nine primary bases in 1900. 
A. L. Baldwin. 374 
Measurements, Arc. C. A. Schott. 366 
Measuring intensity and damping of 
Hertzian waves. W. P. White. .. 433 
— temperatures. C. W. Waidner.. .. 410 
Mechanism for computing normal 
equations. W. J. Spillman. 395 
Mendel's law, Theory of combinations 
applied to. W. J. Spillman. 400 
Metric system. S. W. Stratton.. 399 
Meteorology, Applications of mathe¬ 
matics to. F. H. Bigelow. . 215, 408 
— Mathematics in. F. H. Bigelow... . 215 
— Recent contributions to. C. Abbe. 356 
Micrometer, Transit. J. F. Hayford.. 430 
Microphotographs of snow-crystals, 
made by Mr. Bentley. 411 
Minus one, Square root of. A. Mac¬ 
farlane . 356 
Mitchell, H. : Memorial address on, by 
H. L. Marindin . .. 415 
Moored objects by ocean currents, 
Displacement of. G. W. Little¬ 
hales . 360 
Mosquitoes, Transmission of yellow 
fever by. G. M. Sternberg..... 376 
